AMD EPYC 9254 vs AMD EPYC 7401

Comparative analysis of AMD EPYC 9254 and AMD EPYC 7401 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD EPYC 9254

AMD EPYC 7401

Differences

Reasons to consider the AMD EPYC 9254

CPU is newer: launch date 5 year(s) 5 month(s) later
Around 38% higher clock speed: 4.15 GHz vs 3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 14 nm
Around 64% better performance in PassMark - Single thread mark: 3036 vs 1850
Around 17% better performance in PassMark - CPU mark: 64815 vs 55280

Specifications (specs)
Launch date	10 Nov 2022 vs June 2017
Maximum frequency	4.15 GHz vs 3 GHz
Manufacturing process technology	5 nm vs 14 nm
Benchmarks
PassMark - Single thread mark	3036 vs 1850
PassMark - CPU mark	64815 vs 55280

Reasons to consider the AMD EPYC 7401

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
524288x more L2 cache, more data can be stored in the L2 cache for quick access later
524288x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 18% lower typical power consumption: 155/170 Watt vs 200 Watt

Unlocked	Unlocked vs Locked
L1 cache	96 KB (per core) vs 64K (per core)
L2 cache	512 KB (per core) vs 1MB (per core)
L3 cache	64 MB vs 128MB (shared)
Thermal Design Power (TDP)	155/170 Watt vs 200 Watt

Compare benchmarks

CPU 1: AMD EPYC 9254
CPU 2: AMD EPYC 7401

PassMark - Single thread mark

CPU 1

CPU 2

3036

1850

PassMark - CPU mark

CPU 1

CPU 2

64815

55280

Name	AMD EPYC 9254	AMD EPYC 7401
PassMark - Single thread mark	3036	1850
PassMark - CPU mark	64815	55280
Geekbench 4 - Single Core		3541
Geekbench 4 - Multi-Core		24681

Compare specifications (specs)

	AMD EPYC 9254	AMD EPYC 7401
Essentials
Launch date	10 Nov 2022	June 2017
Launch price (MSRP)	$2299
Place in performance rating	140	141
Architecture codename		Zen
Family		AMD EPYC
Series		AMD EPYC 7000 Series
Vertical segment		Server
Performance
Base frequency	2.9 GHz	2 GHz
Die size	4x 72 mm²	192 mm
L1 cache	64K (per core)	96 KB (per core)
L2 cache	1MB (per core)	512 KB (per core)
L3 cache	128MB (shared)	64 MB
Manufacturing process technology	5 nm	14 nm
Maximum frequency	4.15 GHz	3 GHz
Number of cores	24	24
Number of threads	48	48
Transistor count	26,280 million	4800 million
Unlocked
64 bit support
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Twelve-channel	DDR4
Max memory channels		8
Maximum memory bandwidth		307/341 GB/s
Supported memory frequency		2400/2666 MHz
Compatibility
Configurable TDP	200-240 Watt
Max number of CPUs in a configuration	2	2
Sockets supported	SP5	TR4
Thermal Design Power (TDP)	200 Watt	155/170 Watt
Socket Count		1P/2P
Peripherals
PCIe configurations	Gen 5, 128 Lanes, (CPU only)
PCI Express revision		x128
Virtualization
AMD Virtualization (AMD-V™)